GB8825881D0 - Sound output system - Google Patents

Sound output system

Info

Publication number
GB8825881D0
GB8825881D0 GB888825881A GB8825881A GB8825881D0 GB 8825881 D0 GB8825881 D0 GB 8825881D0 GB 888825881 A GB888825881 A GB 888825881A GB 8825881 A GB8825881 A GB 8825881A GB 8825881 D0 GB8825881 D0 GB 8825881D0
Authority
GB
United Kingdom
Prior art keywords
sound output
output system
sound
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB888825881A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to US07/280,936 priority Critical patent/US5144670A/en
Publication of GB8825881D0 publication Critical patent/GB8825881D0/en
Priority to DE3855887T priority patent/DE3855887T2/en
Priority to EP19900202324 priority patent/EP0409360A3/en
Priority to EP88311649A priority patent/EP0320270B1/en
Priority to JP63311460A priority patent/JP2840265B2/en
Priority to US08/166,984 priority patent/US5988314A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB888825881A 1987-12-09 1988-11-04 Sound output system Pending GB8825881D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US07/280,936 US5144670A (en) 1987-12-09 1988-12-07 Sound output system
DE3855887T DE3855887T2 (en) 1987-12-09 1988-12-08 Stereophonic sound delivery system with controlled directivity characteristics
EP19900202324 EP0409360A3 (en) 1987-12-09 1988-12-08 Sound output system
EP88311649A EP0320270B1 (en) 1987-12-09 1988-12-08 Stereophonic sound output system with controlled directivity
JP63311460A JP2840265B2 (en) 1987-12-09 1988-12-09 Audio output system
US08/166,984 US5988314A (en) 1987-12-09 1993-12-15 Sound output system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8728793A GB2213677A (en) 1987-12-09 1987-12-09 Sound output system

Publications (1)

Publication Number Publication Date
GB8825881D0 true GB8825881D0 (en) 1988-12-07

Family

ID=10628242

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8728793A Withdrawn GB2213677A (en) 1987-12-09 1987-12-09 Sound output system
GB888825881A Pending GB8825881D0 (en) 1987-12-09 1988-11-04 Sound output system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8728793A Withdrawn GB2213677A (en) 1987-12-09 1987-12-09 Sound output system

Country Status (2)

Country Link
US (1) US5988314A (en)
GB (2) GB2213677A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273847A (en) * 1992-12-22 1994-06-29 Canon Res Ct Europe Ltd Loudspeaker having acoustic mirror.
DE19639159C2 (en) * 1996-09-24 1998-09-03 Heinz Juergen Dipl In Augustin Speaker box
IT1313189B1 (en) * 1999-07-20 2002-06-17 Philips Spa AUDIO SIGNALS SOUND SYSTEM FOR LARGE AREAS.
US6592375B2 (en) 2001-02-09 2003-07-15 Midway Games West Inc. Method and system for producing engine sounds of a simulated vehicle
US6719091B1 (en) 2002-02-26 2004-04-13 Robert J. Brown Coaxial speaker system
ATE476064T1 (en) * 2002-03-05 2010-08-15 Audio Products Int Corp SPEAKER WITH SHAPED SOUND FIELD
US8139797B2 (en) * 2002-12-03 2012-03-20 Bose Corporation Directional electroacoustical transducing
US7676047B2 (en) * 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
US6769509B2 (en) 2002-12-19 2004-08-03 Ronald Paul Harwood Pole speaker
US7519188B2 (en) * 2003-09-18 2009-04-14 Bose Corporation Electroacoustical transducing
US7219873B2 (en) 2004-06-23 2007-05-22 Ronald Paul Harwood Support base for a structural pole
US7688992B2 (en) * 2005-09-12 2010-03-30 Richard Aylward Seat electroacoustical transducing
US7621369B2 (en) * 2006-06-16 2009-11-24 Graber Curtis E Acoustic energy projection system
US9100748B2 (en) 2007-05-04 2015-08-04 Bose Corporation System and method for directionally radiating sound
US8724827B2 (en) * 2007-05-04 2014-05-13 Bose Corporation System and method for directionally radiating sound
US20080273722A1 (en) * 2007-05-04 2008-11-06 Aylward J Richard Directionally radiating sound in a vehicle
US8325936B2 (en) * 2007-05-04 2012-12-04 Bose Corporation Directionally radiating sound in a vehicle
US20100177921A1 (en) * 2009-01-14 2010-07-15 Richard Bos Response speaker system
CN102052919B (en) * 2009-11-02 2012-09-12 西安华科光电有限公司 Laser projection module with conical reflector supported by thin walls
US8098852B2 (en) 2009-12-07 2012-01-17 Ronald Paul Hardwood Acoustic reflector and energy storage for media assemblies
US8442242B2 (en) 2010-09-23 2013-05-14 Ronald Paul Harwood Acoustic reflector
US9226058B2 (en) 2011-12-06 2015-12-29 Ronald Paul Harwood Media assembly for a structural support
JP6216553B2 (en) * 2013-06-27 2017-10-18 クラリオン株式会社 Propagation delay correction apparatus and propagation delay correction method
USD819596S1 (en) * 2017-02-22 2018-06-05 Shenzhen Lianhua Electronics Co., Ltd. Lamp with wireless speaker

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1813208A (en) * 1926-11-26 1931-07-07 Western Electric Co Acoustic device
US1943499A (en) * 1928-04-06 1934-01-16 Rca Corp Sound amplifier
US2065367A (en) * 1935-12-31 1936-12-22 Robert B Evans Sound diffusing apparatus
FR1077151A (en) * 1953-03-25 1954-11-04 Enhancements to Loudspeaker Devices
US2973824A (en) * 1957-08-30 1961-03-07 Stanley M Pinski High fidelity speaker apparatus
US3326321A (en) * 1966-04-04 1967-06-20 John T Valuch Speaker system
US3816672A (en) * 1970-07-06 1974-06-11 K Peter Sound reproduction system
US3765504A (en) * 1970-12-17 1973-10-16 Sansui Electric Co Speaker apparatus
DE2325603A1 (en) * 1973-05-19 1974-12-05 Heger Harry STAND-BOX WITH ROUND JET CHARACTERISTICS THROUGH A DIVIDER CONE
US4164988A (en) * 1976-08-25 1979-08-21 Admiral Corporation Fine tuned, column speaker system
US4085289A (en) * 1976-10-18 1978-04-18 Schmideler Jeffrey B Loudspeaker system
US4200170A (en) * 1977-08-29 1980-04-29 Williams John H Jr Pyramid speaker assembly
IT1086464B (en) * 1977-09-06 1985-05-28 Selmin Sas METHOD AND DEVICES FOR OMNIDIRECTIONAL IRRADIATION OF SOUND WAVES
US4227050A (en) * 1979-01-11 1980-10-07 Wilson Bernard T Virtual sound source system
US4225010A (en) * 1979-04-18 1980-09-30 Arthur P. Bagby Loudspeaker system
US4348750A (en) * 1979-08-06 1982-09-07 Schwind David R Energy control device
US4357490A (en) * 1980-07-18 1982-11-02 Dickey Baron C High fidelity loudspeaker system for aurally simulating wide frequency range point source of sound
DE3117693A1 (en) * 1981-04-29 1982-11-18 Mario Brescia Cesati Method for manufacturing loudspeakers with angle radiation and loudspeaker manufactured in accordance with this method
SE447780B (en) * 1981-11-26 1986-12-08 Stig Carlsson SPEAKER WITH A SOUND ABSORBENT
US4496021A (en) * 1983-02-18 1985-01-29 Emmanuel Berlant 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers
WO1985001176A1 (en) * 1983-09-06 1985-03-14 Henry Oliver Wolcott Loudspeaker structure
US4549631A (en) * 1983-10-24 1985-10-29 Bose Corporation Multiple porting loudspeaker systems
US4624337A (en) * 1985-10-02 1986-11-25 Shavers Glynn S Speaker enclosure
GB2184323A (en) * 1985-12-12 1987-06-17 Midlen Trading Corp Loudspeaker system
JP2823157B2 (en) * 1986-04-01 1998-11-11 キヤノン株式会社 Audio output system

Also Published As

Publication number Publication date
US5988314A (en) 1999-11-23
GB2213677A (en) 1989-08-16
GB8728793D0 (en) 1988-01-27

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